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Solstice 1.0 for the Macintosh XL and classic Macs (System 6.0.2 and later, Mac Plus and up) 5 November 2026
Files: Solstice_1.0.dc42 (an 800K Disk Copy 4.2 disk image with the application and its READ ME), Solstice_1.0.bin (the application in MacBinary), READ_ME_Solstice_1.0.txt, SOURCES_pictures.txt (where the pictures come from, and their licences), SHA256SUMS.txt.
No network needed. The Apple Lisa version is LisaSolstice (Office System tool 419326).
Solstice 1.0 (5 November 2026)
1.0: the first release. Tested on a real Macintosh XL (MacWorks Plus II, System 7.5.5) and in emulators (System 6.0.2 to 7.5.5); earlier test versions (0.1d) can be thrown away.
0.1d8: starts on the Macintosh XL (0.1d7 stopped with "unimplemented trap"); World Map, A Fun Fact and Set Your Town work from the menu again; no grid on the pictures on the XL's screen.
How long until the next solstice or equinox, and where the Sun and the Earth are now.
For System 6 and 7, Mac Plus and up. No network needed.
Double-click Solstice. It opens on Tim's solargraph; any key goes on.
Seasons menu (the same as LisaSolstice on the Lisa): Days to the Next Season (D),
The Earth's Orbit (O), The Earth's Tilt (E), Where the Sun Is Now (W), Your Town (Y),
A Fun Fact (F), Solstice Traditions (L),
Pictures from History (P), The Solargraph (G), and World Map (M). The letters work alone or with Apple.
Set Your Town and Set Your Time Zone are in the Seasons menu (Cincinnati, UTC-5 by default).
Runs on System 6.0.2 and later.
World map: Natural Earth (public domain).
Pictures from History: photos from Wikimedia Commons, the Newgrange chamber by Dentp (CC BY-SA 4.0)
and Stonehenge by Jeffrey Pfau (CC BY-SA 3.0); their copies here are under the same licences.
By GyroPilot (Tim O'Connor), github.com/GyroPilot.